R&B singers Aaliyah and Ginuwine and rappers Mack 10 and B.G. will contribute songs to the soundtrack for the action film "Romeo Must Die," according to a release from Blackground Records. The soundtrack will hit stores March 21. The film opens March 24 and stars Jet Li as a man caught in the middle of a violent feud between two families. Aaliyah and rapper DMX also star in the film.